Finding the Fourth Proportional to 1,337.08, 1,845.04 and 839.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.08 : 1,845.04 = 839.81 : x
2. Step 2: Convert to fraction form
   1,337.08/1,845.04 = 839.81/x
3. Step 3: Cross multiply
   1,337.08x = 1,845.04 × 839.81
4. Step 4: Simplify right side
   1,337.08x = 1,549,483.04
5. Step 5: Solve for x
   x = 1,549,483.04/1,337.08
6. Step 6: Final answer
   x = 1,158.86